import { StringUtil } from "https://deno.land/x/tstl@v2.4.11/benchmark/internal/StringUtil.ts";
Fetch substrings.
Splits a string into an array of substrings dividing by specified delimeters of start and end. It's the array of substrings adjusted the between.
Parameters
A string for separating substring at the front. If omitted, it's same with split(end) not having last item.